|
Rhodeus
''Rhodeus'' is a genus of freshwater ray-finned fishes belonging to the family Acheilognathidae, the bitterlings. The scientific name is derived from the Greek word ', meaning "rose". Most species in the genus are restricted to Asia, but two species are found in Europe (''R. amarus'' and ''R. meridionalis''). Bitterlings are short-lived species, generally surviving only about five years. Their maximum size is 11 cm, but they are usually much shorter. Bitterlings inhabit slow-flowing or still waters, such as ponds, lakes, marshes, muddy and sandy pools, and river backwaters. Because they depend on freshwater mussels to reproduce, their range is restricted. Bitterlings are omnivorous, feeding on both invertebrates and plants. Bitterlings have a remarkable reproduction strategy where parents transfer responsibility for the care of their young to various species of freshwater mussels (Unionidae and Margaritiferidae). The female extends her long ovipositor into the mantle cavit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rhodeus Caspius
''Rhodeus'' is a genus of freshwater Actinopterygii, ray-finned fishes belonging to the Family (biology), family Acheilognathidae, the bitterlings. The Binomial nomenclature, scientific name is derived from the Greek language, Greek word ', meaning "rose". Most species in the genus are restricted to Asia, but two species are found in Europe (''R. amarus'' and ''R. meridionalis''). Bitterlings are short-lived species, generally surviving only about five years. Their maximum size is 11 cm, but they are usually much shorter. Bitterlings inhabit slow-flowing or still waters, such as ponds, lakes, marshes, muddy and sandy pools, and river backwaters. Because they depend on freshwater mussels to reproduce, their range is restricted. Bitterlings are Omnivore, omnivorous, feeding on both invertebrates and plants. Bitterlings have a remarkable reproduction strategy where parents transfer responsibility for the care of their young to various species of freshwater mussels (Unionidae an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rosy Bitterling
The rosy bitterling or Tairiku baratanago (''Rhodeus ocellatus'') is a small freshwater ray-finned fish belonging to the family Acheilognathidae, the bitterlings. This species occurs in East Asia from the Amur River basin to the Pearl River basin. Females are about long and males are . Their bodies are flat with an argent-colored luster. However, males change to a reddish (sometimes purple) color during the spawning season (March to September) which functions to attract females. This reddish color is similar to the color of a red rose, which is why it is called a rosy bitterling. Ecology and reproductive system Rosy bitterlings live in ponds (reservoirs) where freshwater mussels are abundant. Farm ponds are an important habitat for not only rosy bitterlings, but also mussels and plankton. Freshwater mussels play an important role in rosy bitterling reproduction. The female rosy bitterling has a unique pipe about the same length as its own body, used for laying eggs on a specifi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cyprinus Amarus
The European bitterling (''Rhodeus amarus'') is a temperate freshwater ray-finned fish belonging to the family Acheilognathidae, the bitterlings. It originates in Europe, ranging from the Rhone River basin in France to the Neva River in Russia. It was originally described as ''Cyprinus amarus'' by Marcus Elieser Bloch in 1782, and has been referred to in scientific literature as ''Rhodeus sericeus amarus''. It is known simply as "the bitterling" in its native range, where it is the only species of its genus ''Rhodeus'', and sometimes in the scientific literature, also, but this is technically wrong, being a leftover from the times when the European bitterling was united with its Siberian relative, the Amur bitterling, in ''R. sericeus''. Properly, "bitterling" can refer to any species of ''Acheilognathus'' or ''Rhodeus''. The fish reaches a size of up to . It is found among plants over sandy and muddy bottoms in shallow waters. It feeds mainly on plants, and to a lesser extent, u ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rhodeus Atremius
The Kyushu bitterling (''Rhodeus atremius'') is a temperate freshwater ray-finned fish belonging to the family Acheilognathidae, the bitterlings. It originates on Kyushu Island in Japan. It was originally described as ''Acanthorhodeus atremius'' by Jordan & Thompson in 1914. The fish reaches a size of up to , and is native to freshwater habitats with a pH of 6.8 to 7.8, a hardness of 20 DH, and a temperature of . When spawning, the females deposit their eggs inside bivalve Bivalvia () or bivalves, in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class (biology), class of aquatic animal, aquatic molluscs (marine and freshwater) that have laterally compressed soft bodies enclosed b ...s, where they hatch and the young remain until they can swim. There were two currently recognised subspecies, ''Rhodeus atremius atremius'' and ''R. a. suigensis'', but suigensis is now considered to be a separate valid species '' Rhodeus suigensis''. Refer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rhodeus Albomarginatus
''Rhodeus albomarginatus'' is a species of freshwater ray-finned fish in the genus ''Rhodeus'', a bitterling. It is endemic to China, where it is found in the Lvjiang River of the Yangtze The Yangtze or Yangzi ( or ) is the longest river in Eurasia and the third-longest in the world. It rises at Jari Hill in the Tanggula Mountains of the Tibetan Plateau and flows including Dam Qu River the longest source of the Yangtze, i ... River drainage and uses the freshwater mussel '' Ptychorhynchus murinum '' as its host for spawning. References albomarginatus Fish described in 2014 {{Acheilognathinae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rhodeus Amurensis
''Rhodeus amurensis'' is a temperate freshwater ray-finned fish belonging to the family Acheilognathidae, the bitterlings. It originates in the Amur River and Lake Khanka in Asia, and is found in China and Russia. It was originally described as ''Pseudoperilampus lighti amurensis'' by B.B. Vronsky in 1967, and has also been referred to in scientific literature as ''Rhodeus lighti amurensis''. The females deposit their eggs inside bivalve Bivalvia () or bivalves, in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class (biology), class of aquatic animal, aquatic molluscs (marine and freshwater) that have laterally compressed soft bodies enclosed b ...s, where they hatch and the young remain until they can swim. References amurensis Fish described in 1967 {{Acheilognathinae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acheilognathidae
The bitterling-like cyprinids form the cyprinoid family Acheilognathidae. This subfamily contains seven genera, although the Khanka spiny bitterling is often placed in ''Acheilognathus'', and at least 75 described species to date. Over half of the species are in the genus ''Acheilognathus''. Genera Acheilognathidae contains the following genera: * ''Acheilognathus'' Bleeker, 1859 * '' Paratanakia'' Chang, Chen & Mayden, 2014 * '' Pseudorhodeus'' Chang, Chen & Mayden, 2014 * '' Rhodeus'' Agassiz Jean Louis Rodolphe Agassiz ( ; ) FRS (For) FRSE (May 28, 1807 – December 14, 1873) was a Swiss-born American biologist and geologist who is recognized as a scholar of Earth's natural history. Spending his early life in Switzerland, he recei ..., 1832 * '' Sinorhodeus'' Li, Liao & Arai, 2017 * '' Tanakia'' D. S. Jordan & W. F. Thompson, 1914 References * * * Cyprinoidei Ray-finned fish subfamilies Taxa named by Pieter Bleeker {{Acheilognathinae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ovipositor
The ovipositor is a tube-like organ used by some animals, especially insects, for the laying of eggs. In insects, an ovipositor consists of a maximum of three pairs of appendages. The details and morphology of the ovipositor vary, but typically its form is adapted to functions such as preparing a place for the egg, transmitting the egg, and then placing it properly. For most insects, the organ is used merely to attach the egg to some surface, but for many parasitic species (primarily in wasps and other Hymenoptera), it is a piercing organ as well. Some ovipositors only retract partly when not in use, and the basal part that sticks out is known as the scape, or more specifically oviscape, the word ''scape'' deriving from the Latin word , meaning "stalk" or "shaft". In insects Grasshoppers use their ovipositors to force a burrow into the earth to receive the eggs. Cicadas pierce the wood of twigs with their ovipositors to insert the eggs. Sawflies slit the tissues of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
William Francis Thompson (biologist)
William Francis Thompson (born St. Cloud, Minnesota 1888, died 7 November 1965) was an American ichthyologist and fisheries scientist. He researched the exploitation and management of the stocks of Pacific halibut for the fisheries department in British Columbia in the early 20th century, as well as the restoration Fraser River sockeye salmon run in the mid twentieth century. Thompson attended Stanford University for his doctoral research. His dissertation was titled, ''The biology of the halibut, with particular reference to marking experiments''. He completed the research for his dissertation in 1930 at the Hopkins Marine Station in Pacific Grove, California. Thompson was the director of the School of Fisheries at the University of Washington from 1934, and between 1937 and 1943 he was the director of the international Pacific Salmon Commission working in Canada and Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Par ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boris Borisovich Vronsky
Boris may refer to: People * Boris (given name), a male given name * *List of people with given name Boris * Boris (surname) Arts and media * Boris (band), a Japanese experimental rock trio * ''Boris'' (EP), by Yezda Urfa, 1975 * "Boris" (song), by the Melvins, 1991 * ''Boris'' (TV series), a 2007–2010, 2022–present Italian comedy series * '' Boris: The Film'', a 2011 Italian film based on the TV series * '' Boris: The Rise of Boris Johnson'', a 2006 biography by Andrew Gimson Other uses * Boris (crater), a lunar crater * Hurricane Boris (other), several cyclones in the Eastern Pacific * Boris, a tribe of the Adi people See also * Borris (other) Borris may refer to: Place in Denmark * Borris, Ringkøbing-Skjern Municipality, a small railway town in western Jutland Places in Ireland County Carlow * Borris, County Carlow, a village County Laois * Borris, County Laois, a civil parish ** Bor ... * Boris stones, seven medieval artifacts in Belarus {{dis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
